FR2626093B1 - Appareil de formation d'images en couleurs et interface a utiliser dans cet appareil - Google Patents

Appareil de formation d'images en couleurs et interface a utiliser dans cet appareil

Info

Publication number
FR2626093B1
FR2626093B1 FR898900551A FR8900551A FR2626093B1 FR 2626093 B1 FR2626093 B1 FR 2626093B1 FR 898900551 A FR898900551 A FR 898900551A FR 8900551 A FR8900551 A FR 8900551A FR 2626093 B1 FR2626093 B1 FR 2626093B1
Authority
FR
France
Prior art keywords
interface
image forming
color image
forming apparatus
color
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
FR898900551A
Other languages
English (en)
French (fr)
Other versions
FR2626093A1 (fr
Inventor
Toshihiro Kadowaki
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Canon Inc
Original Assignee
Canon Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Canon Inc filed Critical Canon Inc
Publication of FR2626093A1 publication Critical patent/FR2626093A1/fr
Application granted granted Critical
Publication of FR2626093B1 publication Critical patent/FR2626093B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
    • H04N1/46—Colour picture communication systems
    • H04N1/56—Processing of colour picture signals
    • H04N1/60—Colour correction or control
    • H04N1/6083—Colour correction or control controlled by factors external to the apparatus
    • H04N1/6091—Colour correction or control controlled by factors external to the apparatus by environmental factors, e.g. temperature or humidity
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333—Constructional arrangements; Manufacturing methods
    • G02F1/1337—Surface-induced orientation of the liquid crystal molecules, e.g. by alignment layers
    • G02F1/133703—Surface-induced orientation of the liquid crystal molecules, e.g. by alignment layers by introducing organic surfactant additives into the liquid crystal material
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333—Constructional arrangements; Manufacturing methods
    • G02F1/1337—Surface-induced orientation of the liquid crystal molecules, e.g. by alignment layers
    • G02F1/133711—Surface-induced orientation of the liquid crystal molecules, e.g. by alignment layers by organic films, e.g. polymeric films
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
    • H04N1/46—Colour picture communication systems
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
    • H04N1/46—Colour picture communication systems
    • H04N1/56—Processing of colour picture signals
    • H04N1/60—Colour correction or control
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
    • H04N1/46—Colour picture communication systems
    • H04N1/56—Processing of colour picture signals
    • H04N1/60—Colour correction or control
    • H04N1/603—Colour correction or control controlled by characteristics of the picture signal generator or the picture reproducer
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
    • H04N1/46—Colour picture communication systems
    • H04N1/56—Processing of colour picture signals
    • H04N1/60—Colour correction or control
    • H04N1/6072—Colour correction or control adapting to different types of images, e.g. characters, graphs, black and white image portions
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/0126—Opto-optical modulation, i.e. control of one light beam by another light beam, not otherwise provided for in this subclass
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333—Constructional arrangements; Manufacturing methods
    • G02F1/133362—Optically addressed liquid crystal cells
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F2202/00—Materials and properties
    • G02F2202/14—Materials and properties photochromic

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Nonlinear Science (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Mathematical Physics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Toxicology (AREA)
  • Color Image Communication Systems (AREA)
  • Facsimile Image Signal Circuits (AREA)
  • Color, Gradation (AREA)
  • Dot-Matrix Printers And Others (AREA)
FR898900551A 1988-01-19 1989-01-18 Appareil de formation d'images en couleurs et interface a utiliser dans cet appareil Expired - Lifetime FR2626093B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP63010137A JP3048151B2 (ja) 1988-01-19 1988-01-19 カラー画像形成装置

Publications (2)

Publication Number Publication Date
FR2626093A1 FR2626093A1 (fr) 1989-07-21
FR2626093B1 true FR2626093B1 (fr) 1993-01-15

Family

ID=11741892

Family Applications (1)

Application Number Title Priority Date Filing Date
FR898900551A Expired - Lifetime FR2626093B1 (fr) 1988-01-19 1989-01-18 Appareil de formation d'images en couleurs et interface a utiliser dans cet appareil

Country Status (6)

Country Link
US (4) US4958219A (ja)
EP (2) EP0325395B1 (ja)
JP (1) JP3048151B2 (ja)
CA (1) CA1326053C (ja)
DE (2) DE68928880T2 (ja)
FR (1) FR2626093B1 (ja)

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JP3048151B2 (ja) * 1988-01-19 2000-06-05 キヤノン株式会社 カラー画像形成装置
JP3048158B2 (ja) * 1988-10-04 2000-06-05 キヤノン株式会社 カラー画像処理装置
US5119185A (en) * 1989-05-10 1992-06-02 Canon Kabushiki Kaisha Image processing apparatus including a minimum value signal detector unit
US5113252A (en) * 1989-05-10 1992-05-12 Canon Kabushiki Kaisha Image processing apparatus including means for performing electrical thinning and fattening processing
US5638183A (en) * 1989-05-10 1997-06-10 Canon Kabushiki Kaisha Image forming apparatus with selectively controlled resolution
EP0400991B1 (en) * 1989-05-31 1998-08-26 Canon Kabushiki Kaisha Color image processing apparatus
US5251023A (en) * 1989-08-02 1993-10-05 Canon Kabushiki Kaisha Image processing method including means for judging a chromatic portion of an image
US6181819B1 (en) 1989-08-02 2001-01-30 Canon Kabushiki Kaisha Image processing apparatus including means for judging a chromatic portion of an image
US5189523A (en) * 1989-11-27 1993-02-23 Canon Kabushiki Kaisha Image processing apparatus
US5420703A (en) * 1990-02-01 1995-05-30 Canon Kabushiki Kaisha Color image processing system having multi-image processing capabilities
US5237400A (en) * 1990-02-05 1993-08-17 Konica Corporation Compact color image processing apparatus with enhanced density conversion
EP0446019B1 (en) * 1990-03-06 1996-11-13 Canon Kabushiki Kaisha Image processing apparatus and method
JP3176052B2 (ja) * 1990-04-27 2001-06-11 キヤノン株式会社 画像処理装置
JP3029118B2 (ja) * 1990-04-27 2000-04-04 キヤノン株式会社 カラー画像形成装置
US5381248A (en) * 1990-05-04 1995-01-10 Canon Kabushiki Kaisha Image processing apparatus
DE69122668T2 (de) * 1990-06-20 1997-03-13 Canon Kk Verfahren und Vorrichtung zur Bildverarbeitung
JP3184512B2 (ja) * 1990-06-20 2001-07-09 キャノン株式会社 画像処理装置、及び画像処理方法
DE69132760T2 (de) * 1990-11-15 2002-07-11 Canon K.K., Tokio/Tokyo Farbbildverarbeitungsgerät und -verfahren
JPH04196761A (ja) * 1990-11-28 1992-07-16 Canon Inc 画像形成装置
JPH04219067A (ja) * 1990-12-19 1992-08-10 Canon Inc 画像処理方法
US5225911A (en) * 1991-05-07 1993-07-06 Xerox Corporation Means for combining data of different frequencies for a raster output device
US6122068A (en) * 1991-06-17 2000-09-19 Canon Kabushiki Kaisha Image forming apparatus
JP2978325B2 (ja) 1992-03-31 1999-11-15 キヤノン株式会社 画像処理方法及びそれを実現するプリンタインタフェース
US5610997A (en) * 1992-07-28 1997-03-11 Canon Kabushiki Kaisha Image processing method and apparatus
US5477335A (en) * 1992-12-28 1995-12-19 Eastman Kodak Company Method and apparatus of copying of black text on documents using a color scanner
US6744921B1 (en) 1993-12-29 2004-06-01 Canon Kabushiki Kaisha Image processing apparatus and method that determines the thickness of characters and lines
JPH07254994A (ja) * 1994-01-31 1995-10-03 Canon Inc 画像形成方法および装置
US6327043B1 (en) 1994-05-18 2001-12-04 Xerox Corporation Object optimized printing system and method
US5687303A (en) * 1994-05-18 1997-11-11 Xerox Corporation Printer controller for object optimized printing
DE69528324T2 (de) * 1994-07-29 2003-05-22 Canon K.K., Tokio/Tokyo Bildverarbeitungsvorrichtung mit Bildinhaltsdiskriminierung
US6549657B2 (en) 1995-04-06 2003-04-15 Canon Kabushiki Kaisha Image processing apparatus and method
JPH08331398A (ja) * 1995-05-31 1996-12-13 Canon Inc 画像処理システム及びコントローラ
JPH0946529A (ja) * 1995-07-31 1997-02-14 Canon Inc 画像処理装置及び方法
US5627652A (en) * 1995-10-18 1997-05-06 Xerox Corporation Multibit RAM for parallel lookup of high resolution halftone screens
JP3618889B2 (ja) 1996-04-02 2005-02-09 キヤノン株式会社 画像処理装置及び方法
JP3580063B2 (ja) * 1997-01-08 2004-10-20 株式会社日立製作所 カラーレーザプリンタ
JP3303805B2 (ja) * 1998-10-13 2002-07-22 セイコーエプソン株式会社 データ変換装置、コンピュータ、および印刷装置
JP3649606B2 (ja) 1998-11-26 2005-05-18 セイコーエプソン株式会社 画像処理方法及びその画像処理装置
US6853465B1 (en) * 1999-05-18 2005-02-08 Canon Kabushiki Kaisha Image processing method and apparatus, and storage medium therefor
JP3711810B2 (ja) 1999-10-13 2005-11-02 セイコーエプソン株式会社 画像変換装置、記憶媒体および画像変換方法
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JP4018426B2 (ja) * 2002-03-29 2007-12-05 キヤノン株式会社 画像処理システムおよびその制御方法
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JP4827544B2 (ja) * 2006-02-02 2011-11-30 キヤノン株式会社 画像形成装置

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Also Published As

Publication number Publication date
EP0325395A2 (en) 1989-07-26
US5847850A (en) 1998-12-08
EP0325395B1 (en) 1998-12-16
EP0325395A3 (en) 1991-03-27
JPH01184139A (ja) 1989-07-21
DE68928880D1 (de) 1999-01-28
FR2626093A1 (fr) 1989-07-21
DE68929336T2 (de) 2002-06-27
DE68928880T2 (de) 1999-06-02
CA1326053C (en) 1994-01-11
DE68929336D1 (de) 2001-11-22
US4958219A (en) 1990-09-18
US6025937A (en) 2000-02-15
EP0822704A3 (en) 1998-03-25
JP3048151B2 (ja) 2000-06-05
EP0822704A2 (en) 1998-02-04
EP0822704B1 (en) 2001-10-17
US5414539A (en) 1995-05-09

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